Merge pull request #619 from realpython/how-to-remove-item-from-list-…

…python Sample code for the article on removing items from list
realpython · Dec 17, 2024 · 57344e7 · 57344e7
2 parents 2ace37c + f604dd2
commit 57344e7
Show file tree

Hide file tree

Showing 3 changed files with 74 additions and 0 deletions.
diff --git a/how-to-remove-item-from-list-python/README.md b/how-to-remove-item-from-list-python/README.md
@@ -0,0 +1,3 @@
+# How to Remove Items From Lists in Python
+
+This folder provides the code examples for the Real Python tutorial [How to Remove Items From Lists in Python](https://realpython.com/how-to-remove-item-from-list-python/).
diff --git a/how-to-remove-item-from-list-python/books.py b/how-to-remove-item-from-list-python/books.py
@@ -0,0 +1,36 @@
+books = ["Dragonsbane", "The Hobbit", "Wonder", "Jaws"]
+print(books.pop(0))
+print(books)
+
+books = ["Dragonsbane", "The Hobbit", "Wonder", "Jaws"]
+read_books = []
+read = books.pop(0)
+read_books.append(read)
+print(read_books)
+print(books)
+
+books = ["Dragonsbane", "The Hobbit", "Wonder", "Wonder", "Jaws", "Jaws"]
+del books[2]
+print(books)
+del books[-1]
+print(books)
+
+books = ["Dragonsbane", "The Hobbit", "Wonder", "Jaws"]
+books.remove("The Hobbit")
+print(books)
+
+books = ["Dragonsbane", "The Hobbit", "Wonder", "Jaws"]
+books.remove("The Two Towers")
+print(books)
+
+books = ["Dragonsbane", "The Hobbit", "Wonder", "Jaws"]
+del books[0:3]
+print(books)
+
+books = ["Dragonsbane", "The Hobbit", "Wonder", "Jaws", "It"]
+del books[-3:-1]
+print(books)
+
+books = ["Dragonsbane", "The Hobbit", "Wonder", "Jaws", "It"]
+books.clear()
+print(books)
diff --git a/how-to-remove-item-from-list-python/phone_book.py b/how-to-remove-item-from-list-python/phone_book.py
@@ -0,0 +1,35 @@
+phone_numbers = [
+    "54123",
+    "54123",
+    "54123",
+    "54456",
+    "54789",
+    "54789",
+]
+for phone_number in phone_numbers[:]:
+    if phone_numbers.count(phone_number) > 1:
+        phone_numbers.remove(phone_number)
+print(phone_numbers)
+
+
+phone_numbers = [
+    "54123",
+    "54123",
+    "54123",
+    "54456",
+    "54789",
+    "54789",
+]
+phone_numbers = list(dict.fromkeys(phone_numbers))
+print(phone_numbers)
+
+phone_numbers = [
+    "54123",
+    "54123",
+    "54123",
+    "54456",
+    "54789",
+    "54789",
+]
+set(phone_numbers)
+print(phone_numbers)
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		# How to Remove Items From Lists in Python

		This folder provides the code examples for the Real Python tutorial [How to Remove Items From Lists in Python](https://realpython.com/how-to-remove-item-from-list-python/).